delete is a reserved word in javascript: use remove instead

interactive mode

hsarjcli/src/de/hsadmin/jscli/CommandlineParser.java

@@ -19,6 +19,7 @@ public class CommandlineParser {
 		opts.addOption("r", "runas", true, "specify run-as user");
 		opts.addOption("e", "expr", true, "expression to execute");
 		opts.addOption("f", "file", true, "script file to execute");
+		opts.addOption("i", "interactive", false, "interactive shell");
 		PosixParser parser = new PosixParser();
 		try {
 			if (args.length < 1) {
@@ -51,6 +52,10 @@ public class CommandlineParser {
 		return cmd.getOptionValue("file", null);
 	}
 	
+	public boolean isInteractive() {
+		return cmd.hasOption("interactive");
+	}
+	
 	public void printHelp() {
 		HelpFormatter formatter = new HelpFormatter();
 		formatter.printHelp("hsscript", opts);

hsarjcli/src/de/hsadmin/jscli/JSONFormatter.java

@@ -62,6 +62,7 @@ public class JSONFormatter {
 	}
 	
 	public String format(Object object) {
+		if (object == null) return "";
 		if (object instanceof List<?>) {
 			return formatList((List<?>) object);
 		}

hsarjcli/src/de/hsadmin/jscli/Main.java

@@ -1,5 +1,6 @@
 package de.hsadmin.jscli;
 
+import java.io.Console;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
@@ -12,11 +13,8 @@ public class Main {
 		try {
 			JSONFormatter formatter = new JSONFormatter();
 			CommandlineParser cmdParser = new CommandlineParser(args);
-			ScriptClient scriptClient = new ScriptClient(cmdParser.getUser(), cmdParser.getRunAs());
-			String expr = cmdParser.getExpression();
-			if (expr != null && expr.length() > 0) {
-				System.out.println(formatter.format(scriptClient.execute(expr)));
-			}
+			String runAs = cmdParser.getRunAs();
+			ScriptClient scriptClient = new ScriptClient(cmdParser.getUser(), runAs);
 			String file = cmdParser.getFile();
 			if (file != null && file.length() > 0) {
 				if ("-".equals(file)) {
@@ -30,6 +28,29 @@ public class Main {
 					}
 				}
 			}
+			String expr = cmdParser.getExpression();
+			if (expr != null && expr.length() > 0) {
+				System.out.println(formatter.format(scriptClient.execute(expr)));
+			}
+			if (cmdParser.isInteractive()) {
+				Console console = System.console();
+				if (console == null) {
+					throw new JSCliException("fatal error: console not found");
+				}
+				String command = console.readLine("%s@hsadmin>", runAs);
+				while (!("bye".equals(command.trim()) || "exit".equals(command.trim()) || "quit".equals(command.trim()))) {
+					try {
+						console.printf("%s\n", formatter.format(scriptClient.execute(command)));
+					} catch (Exception e) {
+						console.printf("ERR: %s\n", e.getLocalizedMessage());
+					}
+					command = console.readLine("%s@hsadmin>", runAs);
+					while (command.endsWith("\\")) {
+						command = command.substring(0, command.length() - 1) + 
+								console.readLine(">");
+					}
+				}
+			}
 		} catch (JSCliException e) {
 			System.err.println(e.getMessage());
 			System.exit(-1);

hsarjcli/src/de/hsadmin/jscli/ScriptClient.java

@@ -51,12 +51,15 @@ public class ScriptClient {
 			if (parts.length == 2) {
 				String module = parts[0];
 				String function = parts[1];
+				if ("delete".equals(function)) {
+					function = "remove";
+				}
 				try {
 					engine.eval("if (typeof " + module + " === 'undefined') " +
 								"{ var " + module + " = { }; };\n" +
 								module + "['" + function + "'] = function(json) { " +
 								"var mod = '" + module + "'; " +
-								"var fct = '" + function + "'; " +
+								("remove".equals(function) ? "var fct = 'delete'; " : "var fct = '" + function + "'; ") +
 								"var params = new ArrayList(); " +
 								"params.add(casgrantingticket.getRunAs()); " + 
 								"params.add(casgrantingticket.getTicket()); " +